Checking Camshafts - BMW C1 Repair Manual

Checking camshafts

– Camshaft removed.
•
Check height of cams.
•
Check bearing play of camshafts with Plasti-
gage, BMW No. 00 2 590.
Wear values:
Cam height, inlet ..............min. 33.00 mm (1.230 in)
Cam height, exhaust ........min. 32.15 mm (1.266 in)
Installed clearance ........max. 0.100 mm (0.0039 in)
•
Installation is the reverse of the removal proce-
dure: pay particular attention to the following.
e
Caution:
The grooves in the bearing caps and seats are oil
ducts.
0,03
0,06
0,09
0,12
0,15
00 2 590
C1110100
e
Caution:
Align bearing caps, make sure that bearing caps
and bearing seats are correctly aligned. Run a finger
along the join to check alignment.
•
The inlet camshaft bears a punch mark (arrow) as
identification.
•
Make sure that the camshafts turn easily and
smoothly.
•
Turn the engine over several times by hand.
•
Recheck valve clearances.
•
Install the cylinder head cover before returning
the drive swinging arm to its original position.
e
Caution:
When installing, note the correct positions of the
spring struts.
L
Note:
Make sure the long lever of the parking mechanism
latches. If necessary, move the lever to the drive po-
sition first, and then move it to the park position.
C1110110
11.21